<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <div id="app">
    <my-com-a></my-com-a>
  </div>
</body>
<script src="./lib/vue.js"></script>
<script>
  Vue.component('MyComA', {
      template: `
      <div>
        <h3>{{title}}</h3>
        <p>{{content}}</p>
      </div>
      `,
      data: function(){
        return {
          title: '标题',
          content: '内容'
        }
      }
  })  

  new Vue({
    el: "#app",
    data: {

    }
  })
</script>
</html>